| Acronym | Meaning |
 | ACP | Air Control Point |
| PIREPS | Pilot Reports |
| ARI | Acute Respiratory Infection - U.S. Army Research Institute For The Behavioral And Social Sciences |
| CYM | Cayman Islands (ISO 3166 Trigram) |
| OEG | Operation Exposure Guidance |
| UMI | U.S. Minor Outlying Islands (ISO 3166 Trigram) |
| RCAR | Research Council For Automobile Repairs (are-car) |
| DQ | Dairy Queen -Jarvis Island (FIPS 10-4 Country Code) |
| ICW | In Co-ordination With - Indonesia Corruption Watch - Infectious And Chemotherapeutic Waste - Insulating Concrete Wall - Integral Crystalline Waterproofing -Interactive Courseware |
| FXX | Metropolitan France (ISO 3166 Trigram; Obsolete 1997) |
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